I see that over on the Twitter machine Noah Smith is engaging Paul Romer, in an attempt to get Paul to elucidate his “Mathiness” paper. I think Noah Smith misunderstands Paul Romer. As I see it, Paul Romer believes that George Stigler laid down the methodological principal that one should always assume perfect competition in … Continue reading Noah Smith, Paul Romer, “Mathiness”, and Baking the Politics into the Microfoundations…